pg_get_pid Gets the backend's process ID &reftitle.description; intpg_get_pid resourceconnection pg_get_pid gets the backend's (database server process) PID. The PID is useful to determine whether or not a NOTIFY message received via pg_get_notify is sent from another process or not. &reftitle.parameters; connection PostgreSQL database connection resource. &reftitle.returnvalues; The backend database process ID. &reftitle.examples; ]]> &reftitle.seealso; pg_get_notify